1 files changed, 31 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/alpha/bits/semaphore.h b/linuxthreads/sysdeps/alpha/bits/semaphore.h
new file mode 100644
index 0000000000..323fea159e
--- /dev/null
+++ b/linuxthreads/sysdeps/alpha/bits/semaphore.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _SEMAPHORE_H
+# error "Never include <bits/semaphore.h> directly; use <semaphore.h> instead."
+#endif
+
+
+/* Due to the implementation of the load-locked/store-conditional
+   instructions, we cannot pack semaphores closer than a cache line
+   or risk threads deadlocking on unrelated semaphores.  */
+
+typedef struct {
+  long int sem_status;
+  long int sem_reserved[3];
+} sem_t;